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Finding the Fourth Proportional to 6,413.82, 9,625.48 and 4,855.78

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Solution

The fourth proportional to 6,413.82, 9,625.48 and 4,855.78 is: 7,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.82 : 9,625.48 = 4,855.78 : x
  2. Step 2: Convert to fraction form
    6,413.82/9,625.48 = 4,855.78/x
  3. Step 3: Cross multiply
    6,413.82x = 9,625.48 × 4,855.78
  4. Step 4: Simplify right side
    6,413.82x = 46,739,213.27
  5. Step 5: Solve for x
    x = 46,739,213.27/6,413.82
  6. Step 6: Final answer
    x = 7,287.27

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